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Waveform ignition

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Waveform ignition

Published in: Engineering
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Waveform ignition

  1. 1. Ignition System Description (1/1) Secondary coil Spark plug Core Igniter Primary coil ON
  2. 2. WAVEFORMS IGNITION
  3. 3. TYPICAL WAVEFORMS
  4. 4. TROUBLESHOOTING THE IGNITION SYSTEM
  5. 5. DWELL SECTION Primary turn-on too late Primary turn-on Primary turn-on too early
  6. 6. Poor coil-to-ground conection Defective coil or pited breaker points Trigger signal Loose conection Dirty or burned points
  7. 7. Resistive points Burnt, dirty, misaligned, defective condenser Does not indicates a malfunction Condenser resistance or bad conection between the condenser and the distributor
  8. 8. Indicates open circuit secondary Indicates very high secondary resistance
  9. 9. Indicates high secondary resistance Indicates high spark plug circuit resistance Indicates high secondary resistance Indicates excessive secondary resistance
  10. 10. Indicates intermittent proplem Indicates spark plug internal resistance Indicates internal resistance Indicates rich fuel mixture
  11. 11. Indicates spark plug blowing out and then restarting Indicates cap to rotor segment is bad Indicates reversed coil polarity Indicates spark plug fouled, shorted or gap too close

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